Fragile X Syndrome, Carrier-15269

Test info

  
Fragile X Syndrome, Carrier
  
15269
  
LAB15269
  
FRAXCA
  
Fragile X testing
FMR1
  

This test is used for carrier screening for fragile X syndrome (FMR1).

Specimen

  
EDTA whole blood
  
  
8.5 mL
  
3.0 mL
  

Immediately following collection, mix by inverting 8 - 10 times to prevent clotting

  

Do not spin

  

Lavender (EDTA), 4mL x 3

or

Lavender (EDTA), 10mL

  
ACD whole blood
  

Yellow ACD (A or B)

  

 

  

Yellow ACD (A or B)

  

Molecular Medicare billing request

Hospital clients submitting a request for this assay on an outpatient with Medicare should complete and submit a Molecular Medicare billing request form to notify us of the need for Allina Health Laboratory to bill insurance.

  

Ambient (preferred) - 14 days

Refrigerated - 30 days

Frozen - NO

  

Frozen or hemolyzed specimens

Performance

  
LabCorp RPT (481684); R-LC
  
8 - 14 days
In some cases, additional time may be required for confirmatory or reflex tests.
  

Polymerase chain reaction (PCR) followed by capillary electrophoresis, with reflex to AGG interruption analysis and methylation PCR analysis for positive samples

Clinical and Interpretive info

  

See report

Billing

  
This test may require preauthorization from the insurance provider. Check the payer guidelines and, if needed, obtain the pre-authorization prior to sample collection.
  
81243
  
Yes
  

Medical necessity

Hospital clients submitting a request for this assay on an outpatient with Medicare should complete and submit a Molecular Medicare billing request form to notify us of the need for Allina Health Laboratory to bill insurance.

Molecular Medicare Billing Request

Tracking

  
05/23/2024
  
06/18/2024
  
05/23/2024